The idle router that is used for reactive power cloud bucking-out system
Technical field
The utility model relates to the electric component of the reactive power compensation that is used for electrical network, especially a kind of idle router that is used for reactive power cloud bucking-out system.
Background technology
In electric power network,, at present mainly be that power transmission and distribution link at electrical network adopts capacitor switching, or adopts current transformer to regulate dual mode to compensate to the compensation of reactive power.The major defect that this bucking-out system exists: one, adopt the capacitor switching compensation, fling-cut equipment is fixed, and the compensation inaccuracy because the fluctuation of power system reactive power is crossed and mended or owe to mend, usually makes energy-saving effect give a discount; Two, adopt the current transformer compensation, can realize Continuous Compensation, but input cost is very high reactive power.
How to realize (being the compensation of reactive power cloud) carried out in real time, compensated accurately to the reactive power at each position in the electrical network, become the problem that needs to be resolved hurrily.In order to realize the compensation of reactive power cloud; Whether the state of electric network reactive compensation device that reactive power data message and the corresponding position at each position in the electrical network (each of electrical network grade power transformer low-pressure end and/or user side place) need gathered and handle to the computer reactive compensation system (is in running status; Capacity, how many compensation capacities is at present, also remains how many compensation capacities); Through calculating, in the control electrical network each electric network reactive compensation device whether switching and switching compensation what.Because the state information amount of the electric network reactive compensation device of the data message amount of reactive power and corresponding position is huge in the electrical network; Directly restrict the computer reactive compensation system to the transmission of the collection of related data, control data, and the raising of arithmetic speed, increased the hardware input cost.
The utility model content
The purpose of the utility model is: a kind of idle router that is used for reactive power cloud bucking-out system is provided; Can transmit state information, and the control information of electric network reactive compensation device of reactive power data message and the corresponding position of each grade power transformer low-pressure end in the electrical network and/or user side rapidly; Solve the difficult problem of restriction reactive power cloud offset data transmission; Reduce cost, improve arithmetic speed, thereby further optimize the compensation effect of power system reactive power.
For realizing above-mentioned purpose, the utility model can be taked following technical proposals:
A kind of idle router that is used for reactive power cloud bucking-out system of the utility model; Said idle router comprises control chip two; And the route remote communication module, information temporary storage device, the netting twine interface module that are electrically connected with this control chip two respectively, be connected button and indicator light
Said netting twine interface module is used for communicating by letter with the controlling platform that is arranged at electric administrative department;
Said route remote communication module is used for communicating by letter with the remote communication module at each the reactive power compensation terminal that is arranged at each grade of electrical network power transformer low-pressure end and/or user side;
Said information temporary storage device is used to store the operating state and the idle information characteristics key element at reactive power compensation terminal, and said idle information characteristics key element comprises reactive power compensation terminal address, periodicity and reactive power;
Said connection button is used to be provided with parameter and restarts idle router;
Said indicator light is used to indicate running status, power supply status and the data passes state of idle router.
Compared with prior art the beneficial effect of the utility model is: owing to adopt technique scheme; Introduced idle router; Said idle router utilizes the control of control chip two; Through the route remote communication module be arranged at electrical network in the remote communication module at each reactive power compensation terminal of each grade power transformer low-pressure end and/or user side communicate by letter, communicate by letter with the controlling platform that is arranged at electric administrative department through the netting twine interface module, solved the difficult problem of restriction reactive power cloud offset data transmission, reduced cost; Improve arithmetic speed, thereby further optimized the compensation effect of power system reactive power.
Description of drawings
Fig. 1 is the structural representation of the idle router of the utility model;
Fig. 2 is the layout and the communication structure sketch map at reactive power compensation terminal;
Fig. 3 is the syndeton sketch map of reactive power compensation terminal in electrical network;
Fig. 4 is the structural representation at reactive power compensation terminal;
Fig. 5 is the local optimum structural representation of Fig. 4;
Fig. 6 is the structural representation of controlling platform.
Embodiment
Shown in Fig. 1 to 6; A kind of idle router that is used for reactive power cloud bucking-out system of the utility model; This idle router three comprises control chip 2 301; And the route remote communication module 302, information temporary storage device 303, the netting twine interface module 304 that are electrically connected with this control chip 2 301 respectively, being connected button 305 and indicator light 306, said netting twine interface module 304 is communicated by letter with the controlling platform that is arranged at electric administrative department 4; Said route remote communication module 302 be arranged at electrical network in the remote communication module 204 at each reactive power compensation terminal 2 of each grade power transformer low-pressure end and/or user side communicate by letter; Said information temporary storage device 303 is used to store the operating state and the idle information characteristics key element at reactive power compensation terminal 2, and said idle information characteristics key element comprises reactive power compensation terminal address, periodicity and reactive power; Said connection button 305 is used to be provided with parameter and restarts idle router three; Said indicator light 306 is used to indicate running status, power supply status and the data passes state of idle router three.
The reactive power cloud bucking-out system that the utility model is mentioned comprises reactive power compensator 1, and above-mentioned reactive power compensation terminal 2, controlling platform 4 and idle router three;
Said reactive power compensation terminal 2 comprises control chip 1, serial communication modular 202, memory module 203, remote communication module 204, display module 205 and button 206; Said button 206 is used to restart and reactive power compensation terminal 2 is set; Said display module 205 is used to show the running status at reactive power compensation terminal 2 and the information that reports an error; Said memory module 203 is used to store the error message at reactive power compensation terminal 2, so that controlling platform 4 or manual work are carried out adjusting to reactive power compensation terminal 2; This just makes reactive power compensation of the present invention terminal to gather existing reactive power compensator information in the electrical network; The running state data of reactive power compensator and the power system reactive power data of corresponding position in controlling platform (control system) transmission electrical network; And real-time director data to corresponding reactive power compensator transmission controlling platform; The switching of control reactive power compensator, thus realized the reactive power at each position in the electrical network is carried out in real time, compensated accurately.With respect to former reactive power compensator; The combination of reactive power compensation of the present invention terminal and reactive power compensator; Make reactive power compensator through the reactive power compensation terminal realized with the control centre platform between intercommunication mutually; Make the compensation equipment of reactive power compensator from grid nodes become a kind of can communicating with controlling platform as required, situation such as operation exception are in time sent to controlling platform, and be controlled platform control.With respect to former reactive power compensator; What is more important; Reactive power compensation of the present invention terminal possesses the function of mutual communication; This just makes and can carry out networking flexibly as required between compensation equipment, and the quantity that constitutes the reactive power compensation terminal of subnet can be from 2 to n platforms, and the numeral of n (final platform number) depends on the communication protocol that is adopted; The flexible communications at reactive power compensation terminal and the characteristics of networking make the reactive power compensation terminal have multiple mode of operation, except local compensation; Also having---the abnormality processing pattern: in case occur unusually, the reactive power compensator in the electrical network sends to the reactive power compensation terminal with error message through serial ports; The reactive power compensation terminal is transmitted to controlling platform and reactive power compensation terminal on every side with this information again; Under the control of control centre,, resume operation again through the information that send at the reactive power compensation terminal; Cooperative work mode: the reactive power compensation terminal, through remote communication module, carry out mutual communication; The collaborative compensation of accomplishing for a certain part of electrical network; The realization compensation that becomes more meticulous compared to prior art, compensates meticulousr; Compensation is more optimized, and more helps giving full play to the performance of existing reactive power compensator in the electrical network;
Said idle router three is different from the Internet network router; Its purpose is not the forwarding of realization information between different sub-network; But realize the information state at reactive power compensation terminal 2 is transmitted to controlling platform 4, the instruction of controlling platform 4 is transmitted to reactive power compensation terminal 2.As preferably; Control chip 2 301 is made up of single-chip microcomputer or asic chip or FPGA; Between the information temporary storage device 303 of idle router three and the control chip 2 301 and be provided with feature identification module 307 and information Recognition module 308; The idle information characteristics key element of feature identification module 307 storages when control chip sends write command, is compared the characteristic element of the idle information of write and the idle information characteristics key element in the information temporary storage device 303 by character recognition module 307 earlier; Different idle information characteristics key element in the lastest imformation buffer 303; And register, information Recognition module 307 extracts the idle information characteristics in the information temporary storage device 303, and the information that has sent to controlling platform 4 with control chip 2 301 is compared; The idle information characteristics key element that only will upgrade sends to control chip 2 301, upgrades idle information characteristics key element;
Said controlling platform 4 comprises display unit 401, host computer and slave computer; Said host computer comprises figure generation module 402, data disaply moudle 403, abnormal information processing module 404; Said slave computer comprises control chip 3 405, platform communication module 406 and keyboard 407; Said figure generation module 402 is used to generate block diagram information; Said data disaply moudle 403 is used for the demonstration of LED viewing area, and said abnormal information processing module 404 is used for abnormal data information processing and demonstration, and the control chip 3 405 of said slave computer is to host computer Data transmission reactive power data and abnormal data information;
Power transformer low-pressure ends at different levels and the bigger user side of electrical capacity are equipped with reactive power compensator 1 in the electrical network; Each said reactive power compensator 1 all is furnished with described reactive power compensation terminal 2; The control module 101 of each reactive power compensation terminal 2 and corresponding reactive power compensator 1 is through intercom through the remote communication module 204 that sets within it between serial communication and each the reactive power compensation terminal 2 mutually, and idle router three is communicated by letter with the controlling platform that is arranged at electric administrative department 4 through its netting twine interface module 304 and passed through its route remote communication module 302 and communicate by letter with the remote communication module 204 at each said reactive power compensation terminal 2; Each reactive power compensator 1 is gathered the running state data of himself and the power system reactive power data of corresponding position; Pass to controlling platform 4 through corresponding reactive power compensation terminal 2, said idle router three successively; Each said reactive power compensation terminal 2 is according to the instruction of the controlling platform 4 of being come by idle router three transmission; Control the switching of corresponding reactive power compensator 1 in real time, to realize compensation to the reactive power of electrical network.As preferably; Said controlling platform 4 is according to the reactive power data at each reactive power compensator 1 place and the running state data of each reactive power compensator; Switching to each reactive power compensator 1 sorts; Near the preferential switching large-capacity electrical apparatus reactive power compensator 1, maximum until the power factor of electrical network.